Kyanite and Chromite Physical Properties

Kyanite

Chromite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.654.5-4.8

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Uneven

1.6 Cleavage

[100] perfect [010] imperfect with 79° angle between

None, parting may develop along {111}

1.7 Mohs Hardness

4-75.5

2 10

1.8 Chemical Composition

Not Available

Fe++Cr2O4

Kyanite and Chromite Chemical Formula

While comparing Kyanite and Chromite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Kyanite and Chromite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4

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Kyanite and Chromite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Chromite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Chromite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 4.5-4.8 whereas that of Chromite is 4.5-4.8.